JavaScript Basic: Exercise
Basic exersise
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JavaScript
addEventListener()
The addEventListener() method attaches an event handler to the specified element. Syntax Parameter Description event Required. A String that specifies the name of the event. Note: Do not use the “on” prefix. For example, use “click” instead of “onclick”. For a list of all HTML DOM events, look at our complete HTML DOM Event Object
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JavaScript Array Object
Array Properties Property Description length Sets or returns the number of elements in an array. prototype Allows you to add new properties and methods to an Array object. Array Methods Method Description concat() Merge two or more arrays, and returns a new array. copyWithin() Copies part of an array to another location in the same
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JavaScript reference 1
Some notes from various reference, kept in my blog to memorised them. Contents on this posts are not written by me, I just kept it to read them again.
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